Collapsible table

Information

  • Patent Grant
  • 6651568
  • Patent Number
    6,651,568
  • Date Filed
    Monday, July 15, 2002
    22 years ago
  • Date Issued
    Tuesday, November 25, 2003
    21 years ago
Abstract
A table assembly of the type including a table top having a lower surface with a recessed central tray region and tray sides extending between the tray region and surrounding portions of the lower surface; leg assemblies mountable adjacent the lower surface and within the central tray region, each of the leg assemblies including a bracket having a plurality of mounts and at least two extensions adjacent edges of the bracket and positioned adjacent a portion of one of the tray sides; a leg pivotally mounted to the mounts; a plurality of frame members positioned so that a portion of each of the frame members is positioned between one of the extensions of the one of the brackets, and a fastener extending through each of the extensions and a portion of the adjacent frame member and into a portion of the tray side for mounting of the frame members and the leg assemblies to the table top.
Description




FIELD




This invention relates to collapsible furniture. More particularly, this invention relates to tables having folding legs.




BACKGROUND AND SUMMARY




Tables having folding legs are well known in the art. However, improvement is desired in the construction of such tables to improve their compactness when the legs are folded as well as reduce their weight and improve their strength. The invention relates to an improved table assembly having folding legs.




In a preferred embodiment, the table assembly includes a table top having a lower surface with a recessed central tray region and tray sides extending between the tray region and surrounding portions of the lower surface. The table assembly also includes leg assemblies mountable adjacent the lower surface and within the central tray region. Each of the leg assemblies includes a bracket having a plurality of mounts and at least two extensions adjacent edges of the bracket and positioned adjacent a portion of one of the tray sides. A leg is pivotally mounted to the mounts and a plurality of frame members are positioned so that a portion of each of the frame members is positioned between one of the extensions of the one of the brackets. A fastener extends through each of the extensions and a portion of the adjacent frame member and into a portion of the tray side to mount the frame members and the leg assemblies to the table top.











BRIEF DESCRIPTION OF THE DRAWINGS




Further advantages of the invention are apparent by reference to the detailed description when considered in conjunction with the figures, which are not to scale so as to more clearly show the details, wherein like reference numbers indicate like elements throughout the several views, and wherein:





FIG. 1

is a top perspective view of a table in accordance with a preferred embodiment of the invention.





FIG. 2

is an inverted bottom perspective view of the table of FIG.


1


.





FIG. 3

is a bottom view of the table of

FIGS. 1 and 2

with the legs in a folded orientation.





FIG. 4A

is a bottom view of a table top component of the table of FIG.


1


.





FIG. 4B

is a close-up view of a portion of FIG.


4


A.





FIG. 5

is a perspective view of frame and leg assembly components of the table of FIG.


1


.





FIG. 6

is a perspective view of a leg assembly.





FIG. 7

shows a corner bracket component of the leg assembly of FIG.


6


.





FIG. 8

shows a leg lock component of the leg assembly of FIG.


6


.





FIG. 9

shows a leg brace component of the leg assembly of FIG.


6


.





FIG. 10

shows a frame member.





FIG. 11

is a close-up view of the underside of the table of FIG.


1


.





FIG. 12

is a close-up view showing a leg assembly and frame members mounted to the table top.











DETAILED DESCRIPTION




With reference to

FIGS. 1 and 2

, the invention relates to a table


10


having a table top


12


, a plurality of folding leg assemblies


14




a


-


14




d


, and a plurality of frame members


16




a


-


16




d


. The invention advantageously provides a construction having improved compactness when the legs are folded as well as improved weight and strength characteristics.

FIG. 3

shows the leg assemblies in a folded orientation.




Table Top


12






With reference to

FIGS. 1

,


4


A, and


4


B, the table top


12


is preferably of one-piece molded plastic construction and includes an upper, preferably planar, surface


20


opposite a lower surface


22


. The table top


12


is shown having a rounded configuration, but it will be understood that it may be of other configuration, such as elliptical, square, rectangular, or other shape. Blow-molding is a preferred manufacturing method to yield a table top that is of relatively light weight. However, it will be understood that the table top may be made by other methods and of other materials such as fiberglass, metal, and wood.




The lower surface


22


is preferably configured to facilitate mounting of the leg assemblies


14




a


-


14




d


and the frame members


16




a


-


16




d


. In this regard, the lower surface


22


preferably includes a recessed central tray region


24


. The recessed nature of the tray region


24


provides a surrounding rim


26


having a lip


28


adjacent an upper periphery of the rim


26


. The recessed nature of the tray region that provides the rim


26


defines a plurality of sides that extend between the rim


26


and the surface of the tray region


24


. In the example of the round table top


12


, the tray region


24


preferably has eight tray sides (


26




a


,


26




b


,


26




c


,


26




d


,


26




e


,


26




f


,


26




g


,


26




h


), with each tray side having, respectively, lip portions


28




a


-


28




h


. The tray, rim and lip structure is preferably formed during molding of the table top


12


and is thus preferably an integral and continuous extension of the lower surface


22


. As described below, the tray, rim and lip structure is configured to receive the leg assemblies


14




a


-


14




d


and the frame members


16




a


-


16




d.






The tray region


24


also preferably includes grooves or detents


30


,


31


,


32


, and


33


provided on the surface of the tray region


24


configured for receiving portions of the leg assemblies


14




a


-


14




d


when the leg assemblies


14




a


-


14




d


are in a folded position. In addition, grooves or detents


34


,


35


,


36


, and


37


are preferably located adjacent the sides


26




b


,


26




d


,


26




f


, and


26




h


for facilitating positioning of the leg assemblies


14




a


-


14




d


. Additionally, a central portion of the tray region


24


is preferably configured to include a handle mount


40


, described in more detail below. The grooves and handle mount structures are also preferably formed during the molding of the table top


12


.




Leg Assemblies


14






With reference to

FIG. 5

, the leg assemblies


14




a


-


14




d


are shown oriented with the frame members


16




a


-


16




d


as if mounted on the surface


22


of the table top


12


and in an unfolded orientation. With additional reference to

FIG. 6

, there is shown the leg assembly


14




a


, which is representative of the other assemblies


14




b


-


14




d


. As seen, the assembly


14




a


includes a bracket


42


, a leg


44


, a leg lock member


46


, and a leg brace member


48


. Each of the components of the assembly


14




a


is preferably made of metal, such as steel. However, it will be understood that other materials may be used, such as wood, plastic, or composite materials.




With reference to

FIG. 7

, the bracket


42


preferably includes an upper surface


50


, an opposite lower surface


52


, and sides


54




a


-


54




f


. An extension


56


extends upwardly from the side


54




b


and an extension


58


extends upwardly from the side


54




f


The extensions


56


and


58


are preferably normal to the surface


50


. The bracket


42


is preferably formed from a single sheet of metal and the extensions


56


and


58


may be formed as by bending. The extension


56


preferably includes mounting slots


60


extending through the thickness thereof. Likewise, the extension


58


preferably includes mounting slots


62


. As will be appreciated, the extensions


56


and


58


facilitate mounting and securement of the bracket


42


to the table top


12


.




The bracket


42


also preferably includes mounts


64


,


66


, and


68


extending upwardly from the surface


50


. The mounts


64


-


68


are configured for mounting, respectively, the leg


44


, the lock member


46


, and the brace member


48


. In this regard, the mounts


64


-


68


preferably include apertures


64




a


,


66




a


, and


68




a


. The mounts


64


-


68


are preferably formed as by scoring portions of the surface


50


and bending upwardly the material within the scores so as to provide the mounts


64


-


68


. The mounts


64


-


68


are preferably configured to extend relatively normal to the surface


50


.




Returning to

FIG. 6

, the leg


44


is preferably an elongate tubular member having a floor contact end


70


and an opposite mounting end


72


. The mounting end


72


is preferably provided as by a substantially flat end portion


74


that extends outwardly from the leg


44


in a direction generally parallel to the length axis of the leg


44


. An aperture


74




a


extends through the end portion


74


. As will be seen, the leg


44


is pivotally mounted to the bracket


42


as by positioning the flat end portion


74


adjacent a corresponding flat surface of the mount


64


so that the apertures


74




a


and


64




a


are aligned, with a fastener, such as a rivet or bolt or the like passed through the aligned apertures


64




a


and


74




a


. Although the leg


44


is preferably a tube having a cylindrical cross-section, it will be appreciated that the leg


44


may have other cross-sectional shapes, such as rectangular or oval.




With reference to

FIGS. 6 and 8

, the leg lock member


46


is preferably an elongate strip of metal having opposite rounded ends


76


and


78


. An aperture


76




a


extends through the end


76


and an elongate slot


80


extends through the member


46


from a location adjacent the end


78


. An outward bend


82


is located adjacent the end


76


and an inward bend


84


is located adjacent the end of the slot


80


opposite the end


78


. The bends


82


and


84


are preferably configured such that the ends


76


and


78


lie in substantially parallel but spaced apart planes, with the slot


80


located in substantially a single plane. The end of the slot


80


adjacent the end


78


is preferably enlarged to provide an opening


86


.




The leg lock member


46


may be pivotally mounted to the bracket


42


as by positioning the end


76


flat adjacent a corresponding flat surface of the mount


68


so that apertures


68




a


and


76




a


are aligned, with a fastener, such as a rivet or bolt or the like passed through the aligned apertures


68




a


and


76




a


to enable the member


46


to be pivotally attached to the mount


68


. In addition, the slot


80


is positioned adjacent the leg


44


so that the opening


86


is adjacent a central portion of the leg


44


when the leg


44


is fully unfolded. A fastener, such as a rivet or a screw or the like may be passed through the slot


80


and into a corresponding opening provided in the sidewall of the leg


44


. As will be appreciated, a head or other structure of the fastener may be captured by the opening


86


to lock the leg


44


in the unfolded configuration. The member


46


may be pressed or otherwise manipulated to release the fastener from locking engagement with the opening


86


, with a shank or body portion of the fastener captured within the slot


80


. Thus, the leg


44


may be returned to a folding orientation.




With reference to

FIGS. 6 and 9

, the leg brace member


48


is preferably an elongate strip of metal having opposite ends


90


and


92


. An aperture


90




a


extends through the end


90


and an aperture


92




a


extends through the end


92


. A bend


94


is located adjacent the end


90


and a bend


96


is located adjacent the end


92


. The bends


94


and


96


are preferably configured such that the ends


90


and


92


lie in substantially parallel but spaced apart planes. The brace member


48


may be pivotally mounted to the bracket


42


as by positioning the end


90


flat adjacent a corresponding flat surface of the mount


66


so that apertures


66




a


and


90




a


are aligned, with a fastener, such as a rivet or bolt or the like passed through the aligned apertures


66




a


and


90




a


to enable the member


48


to be pivotally attached to the mount


66


. In addition, the aperture


92




a


is positioned adjacent the leg


44


so that the aperture


92




a


is adjacent a central portion of the leg


44


when the leg


44


is fully unfolded, preferably directly opposite the side of the leg


44


that the member


46


is connected to. A fastener, such as a rivet or a screw or the like may be passed through the aperture


92




a


and into a corresponding opening provided in the sidewall of the leg


44


.




Frame Members


16




a


-


16




d






With reference to

FIG. 10

, there is shown the frame member


16




a


, which is representative of the members


16




b


-


16




d


. As seen, the member


16




a


is preferably of one-piece construction and includes a generally elongate and planar body


100


having opposite sides


102


and


104


, and opposite ends


106


and


108


. A plurality of apertures


110


extend between the surfaces


102


and


104


at various locations along the length of the member


16




a


. Slots


112


and


114


are preferably located adjacent the ends


106


and


108


, respectively. The slots


112


and


114


preferably have a length generally normal to the length of the member


16




a


. An elongate lip


116


projects outwardly from an edge


118


of the body


100


in a direction generally normal to and away from the side


102


. The lip


116


preferably extends the length of the member


16




a


. A lip


120


projects outwardly from an opposite edge


122


in a direction generally normal to and away from the side


104


. The lip


120


preferably includes a bend


124


to provide an extension


126


. The bend


124


is preferably formed so that the extension


126


is generally parallel to the side


104


and spaced apart therefrom.




The members


16




a-d


are preferably made of metal, such as steel. However, it will be understood that other materials may be used, such as wood, plastic, or composite materials. It will also be appreciated that the members


16




a-d


could be elongate tubes, such as cylindrical, half-round, or rectangular cross-section tubes.




Assembly of the Components




Returning to

FIGS. 2-7

and with reference to

FIGS. 11 and 12

, the table


10


may be constructed by connecting the leg assemblies


14




a


-


14




d


and the frame members


16




a


-


16




d


to the table top


12


. For example, the frame members


16




a


-


16




d


are positioned adjacent the sides


26




a


,


26




c


,


26




e


, and


26




g


of the top


12


and secured thereto as by fasteners, such as screws


128


, passed through the apertures


110


of the frame members and screwed into the sides of the table top


12


. The leg assemblies


14




a


-


14




d


are then placed in their respective detents


34


-


37


so that the slots


60


-


62


of the brackets


42


align with corresponding apertures


110


of the frame members


16




a


-


16




d


. For example, lower surface


52


of the bracket


42


of the leg assembly


14




a


is preferably positioned within the correspondingly shaped detent


37


of the table top


12


such that the side


54




a


of the bracket


42


is adjacent the side


26




h


of the top


12


. Fasteners, such as the screws


128


, are then passed through the aligned slots


60


and


62


and the apertures


110


and into the sides of the table top


12


.




The table of the invention is lightweight and uncomplicated in configuration and more easily assembled as compared to prior tables. In addition, the construction results in a table that is substantially compact as compared to prior tables. Thus, the table of the invention is relatively convenient to store and transport. In this regard, the handle mount


40


is preferably configured to enable installation of a bidirectional handle assembly


130


that enables a user to conveniently obtain a suitable hand hold from opposed sides of the table. With reference to

FIGS. 4



a


and


11


, the mount


40


is preferably integrally formed with the top


12


during molding and includes a pair of spaced apart and generally U-shaped ridges


132


and


134


separated by a pair of opposed gaps


136


and


138


. The gaps


136


and


138


are sized to be slightly greater than the width of an average human hand.




A preferably semi-cylindrical depression


140


is formed across a closed end of the ridge


132


and a corresponding depression


142


is formed across a closed end of the ridge


134


. The depressions


140


and


142


are configured to fittingly receive rods


144


and


146


of the handle assembly. If desired, fasteners such as screws may be used to additionally secure the rods


144


and


146


within the depressions


140


and


142


. The handle assembly


130


further includes a pair of slats


148


and


150


that extend between and are attached to the rods


144


and


146


. The slats


148


and


150


provide surfaces for grasping by a user. The rods


144


and


146


as well as the slats


148


and


150


may be made of virtually any material, but most preferably of aluminum, with the components attached as by welding.




The foregoing embodiments of this invention have been presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obvious modifications or variations are possible in light of the above teachings. The embodiments are chosen and described in an effort to provide illustrations of the principles of the invention and its practical application, and to thereby enable one of ordinary skill in the art to utilize the invention in various embodiments and with various modifications as is suited to the particular use contemplated. All such modifications and variations are within the scope of the invention as determined by the appended claims when interpreted in accordance with the breadth to which they are fairly, legally, and equitably entitled.



Claims
  • 1. A table assembly, comprising:a table top having a substantially planar upper surface and an opposing lower surface, the lower surface of the table top including a recessed central tray region having a plurality of tray sides extending between the tray region and surrounding portions of the lower surface; a plurality of leg assemblies mountable adjacent the lower surface and within the central tray region, each of the leg assemblies including: a bracket having a first surface positioned adjacent the central tray region, an opposing second surface, and a plurality of mounts extending substantially normal from the second surface of the bracket, the bracket further including at least two extensions adjacent edges of the bracket and extending in a direction away from and substantially normal to the second surface, each of the extensions having at least one aperture extending between opposing first and second surfaces of the extension, the second surface of each extension being positioned adjacent a portion of one of the tray sides, and a leg pivotally mounted to the mounts; a plurality of frame members, each of the frame members having a first side and an opposing second side, with the first side of each of the frame members being positioned adjacent a portion of one of the tray sides and a portion of the second side of each of the frame members being positioned adjacent the second surface of one of the extensions of one of the brackets so that a portion of each of the frame members is positioned between the second surface of one of the extensions of the bracket and one of the tray sides, each of the frame members further including at least one aperture extending between the first and second sides of the frame member and located in substantial alignment with the aperture of one of the extensions of one of the brackets, and a fastener extending through the aligned apertures of adjacent extensions and frame members and into a portion of the tray side to mount the frame members and the leg assemblies to the table top.
  • 2. The table assembly of claim 1, wherein the tray region includes detents configured for receiving portions of the leg assemblies.
  • 3. The table assembly of claim 1, wherein each of the leg assemblies further includes a leg lock member and a leg brace member, each of which is pivotally mounted to one of the mounts of the bracket.
  • 4. The table assembly of claim 1, wherein each of the frame members is elongate and includes a generally planar body having opposite sides.
  • 5. The table assembly of claim 1, wherein the table top is generally round and the plurality of tray sides comprises eight tray sides.
  • 6. The table assembly of claim 1, wherein the bracket includes at least four edges, with three of the edges thereof positioned adjacent one of the tray sides.
  • 7. The table assembly of claim 1, wherein the table top is of one-piece molded plastic construction.
  • 8. The table assembly of claim 1, wherein the tray region further includes a handle mount having a pair of spaced apart and generally U-shaped ridges separated by a pair of opposed gaps sized to be slightly greater than the width of an average human hand, with a depression formed across a closed end of each of the ridges.
  • 9. The table assembly of claim 8, further comprising a handle assembly fittingly received by the handle mount, the handle assembly comprising a rod received within each depression and a slat extending between and attached to the rods.
  • 10. A table assembly, comprising:a table top having a lower surface with a recessed central tray region and tray sides extending between the tray region and surrounding portions of the lower surface; leg assemblies mountable adjacent the lower surface and within the central tray region, each of the leg assemblies including: a bracket having a plurality of mounts and at least two extensions adjacent edges of the bracket and positioned adjacent a portion of one of the tray sides, and a leg pivotally mounted to the mounts; a plurality of frame members positioned so that a portion of each of the frame members is positioned between one of the tray sides and one of the extensions of the one of the brackets; and a fastener extending through each of the extensions and a portion of the adjacent frame member and into a portion of the tray side for mounting of the frame members and the leg assemblies to the table top.
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Entry
Igloo It's For Keeps, The Most Lightweight, Durable, Versatile Table You'll Every Carry. (US).